- 专利标题： Optimized configurations to integrate steering diodes in low capacitance transient voltage suppressor (TVS)
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申请号： US14627750申请日： 2015-02-20
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公开(公告)号： US09793256B2公开(公告)日： 2017-10-17
- 发明人: Madhur Bobde
- 申请人： Alpha and Omega Semiconductor Incorporated
- 申请人地址： US CA Sunnyvale
- 专利权人： Alpha and Omega Semiconductor Incorporated
- 当前专利权人： Alpha and Omega Semiconductor Incorporated
- 当前专利权人地址： US CA Sunnyvale
- 代理商 Bo-In Lin
- 主分类号： H01L21/332
- IPC分类号： H01L21/332 ; H01L27/02 ; H01L29/866 ; H01L29/74 ; H01L29/66 ; H01L21/266
摘要：
A transient-voltage suppressing (TVS) device disposed on a semiconductor substrate including a low-side steering diode, a high-side steering diode integrated with a main Zener diode for suppressing a transient voltage. The low-side steering diode and the high-side steering diode integrated with the Zener diode are disposed in the semiconductor substrate and each constituting a vertical PN junction as vertical diodes in the semiconductor substrate whereby reducing a lateral area occupied by the TVS device. In an exemplary embodiment, the high-side steering diode and the Zener diode are vertically overlapped with each other for further reducing lateral areas occupied by the TVS device.
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